# testosterone

Pronunciation: say "te-STOS-tuh-rohn" US /tɛˈstɑ.stəˌɹoʊn/, UK /tɛˈstɒ.stə.ɹəʊn/

## Noun

1. A steroid hormone, made mainly in the testes and also in the ovaries and adrenal cortex, that drives the development of male secondary sex characteristics.
   - Simple: A natural chemical in the body that helps male features develop, like a deeper voice and more body hair.
   - _The clinic measured his testosterone before starting any treatment._
   - _Athletes who misuse testosterone risk serious long-term health problems._
2. Stereotypically manly behavior, often aggressive or foolishly reckless in nature.
   - Simple: Bold, tough, or aggressive behavior seen as very manly, sometimes to a silly or risky degree.
   - _The boardroom was thick with testosterone as the rivals traded threats._
   - _Half the stunts in the film are pure testosterone with no thought for safety._

## Origin

Formed from "test(is)" combined with "-o-" and "-sterone," meaning a steroid hormone.

Source: DictionaryAI, https://dictionaryai.com/define/testosterone (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).